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-2v=-12+2v
We move all terms to the left:
-2v-(-12+2v)=0
We add all the numbers together, and all the variables
-2v-(2v-12)=0
We get rid of parentheses
-2v-2v+12=0
We add all the numbers together, and all the variables
-4v+12=0
We move all terms containing v to the left, all other terms to the right
-4v=-12
v=-12/-4
v=+3
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